sleep.c

#include <stdlib.h>
#include <kernel/syscalls.h>

#include "sh.h"

int _sleep(int ms) {
    return do_syscall1((void *) ms, SYS_MSLEEP);
}


int sleep(int argc, char *argv[]) {
    int ms;
    if (argc == 2)
        ms = atoi(argv[1]);
    else
        return 0;

    printk("Hello\n");
    _sleep(ms);
    printk("Wake up\n");
    return 0;
}

HOOK_BUILTIN_CMD(sleep, sleep);